Countryside Survey 1998 vegetation plot data - Barr, C.J.; Bunce, R.G.H.; Gillespie, M.K.; Howard, D.C.; Maskell, L.C.; Norton, L.R.; Scott, R.J.; Shield, E.R.; Smart, S.M.; Stuart, R.C.; Watkins, J.W.; Wood, C.M. (NERC Environmental Information Data Centre, 2014)